diff options
| -rw-r--r-- | src/lib.rs | 32 |
1 files changed, 18 insertions, 14 deletions
@@ -92,7 +92,7 @@ pub use codegen::EnumVariation; use std::borrow::Cow; use std::fs::{File, OpenOptions}; use std::io::{self, Write}; -use std::iter; +use std::{env, iter}; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; use std::sync::Arc; @@ -1200,7 +1200,7 @@ impl Builder { /// Generate the Rust bindings using the options built up thus far. pub fn generate(mut self) -> Result<Bindings, ()> { // Add any extra arguments from the environment to the clang command line. - if let Some(extra_clang_args) = std::env::var("BINDGEN_EXTRA_CLANG_ARGS").ok() { + if let Some(extra_clang_args) = env::var("BINDGEN_EXTRA_CLANG_ARGS").ok() { // Try to parse it with shell quoting. If we fail, make it one single big argument. if let Some(strings) = shlex::split(&extra_clang_args) { self.options.clang_args.extend(strings); @@ -1899,6 +1899,21 @@ impl Bindings { Ok(()) } + /// Gets the rustfmt path to rustfmt the generated bindings. + fn rustfmt_path<'a>(&'a self) -> io::Result<Cow<'a, PathBuf>> { + debug_assert!(self.options.rustfmt_bindings); + if let Some(ref p) = self.options.rustfmt_path { + return Ok(Cow::Borrowed(p)); + } + if let Ok(rustfmt) = env::var("RUSTFMT") { + return Ok(Cow::Owned(rustfmt.into())); + } + match which::which("rustfmt") { + Ok(p) => Ok(Cow::Owned(p)), + Err(e) => Err(io::Error::new(io::ErrorKind::Other, format!("{}", e))), + } + } + /// Checks if rustfmt_bindings is set and runs rustfmt on the string fn rustfmt_generated_string<'a>( &self, @@ -1911,18 +1926,7 @@ impl Bindings { return Ok(Cow::Borrowed(source)); } - let rustfmt = match self.options.rustfmt_path { - Some(ref p) => Cow::Borrowed(p), - None => { - let path = which::which("rustfmt") - .map_err(|e| { - io::Error::new(io::ErrorKind::Other, format!("{}", e)) - })?; - - Cow::Owned(path) - } - }; - + let rustfmt = self.rustfmt_path()?; let mut cmd = Command::new(&*rustfmt); cmd |